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Regional Monitoring Program 1997 Annual Report
Chapter 3.
Figure 3.6.
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Figure 3.6.
Dissolved cadmium (Cd) concentrations in water in parts per billion (ppb) at 24 RMP stations sampled in January, April, and August 1997. Concentrations ranged from 0.003 to 0.15 ppb. The highest concentration was sampled at Petaluma River (BD15) in August and the lowest at Honker Bay (BF40) in January. Average concentrations were highest (0.10 ppb) in the South Bay in August and lowest (0.01 ppb) in the Rivers in January. All samples were below the 4-day average WQC for dissolved cadmium (saltwater 9.3 ppb, freshwater--hardness dependent).
 
San Francisco Estuary Institute